名词
中文翻译：负副本
同义词：
['negative copy', 'negative image']
例句：
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1. The negative replica of thepainting was found in a museum exhibit.
这幅画的负副本在博物馆展览中被发现。
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2. The scientist used a negative replica tostudy the structure of DNA.
科学家使用负副本来研究DNA的结构。
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3. Thenegative replica showed that theobject had been moved from itsoriginal position.
负副本显示该物体已被移动到其原始位置。